Learn OSINT: Open-Source Intelligence

Name: Learn OSINT: Open-Source Intelligence
Rating: 4.5 (165 reviews)

Become a cyber detective - This course prepares you to uncover hidden online information with Open Source Intelligence!

Created byAleksa Tamburkovski, Konrad Bienias

Last updated 1/2026

English

What you'll learn

Gather publicly available data to perform investigations
Analyze, and interpret data in investigations
Stay anonymous while browsing the web
Create, and use sock puppets to obtain information
Enhance and optimize the process of using search engines
Search people by their phone numbers, email addresses, names, and usernames
Search businesses and related information
Analyze and trace images
Investigate locations without the need to go there in person
Analyze blockchain transactions

Course content

14 sections • 60 lectures • 5h 7m total length

Introduction To OSINT4:07
Explore the fundamentals of open source intelligence (osint), its relevance for security, business intelligence, and journalism, and learn a data collection, verification, analysis, and reporting workflow using public sources.
Course Breakdown9:09
Break down the course structure and key Osint techniques, from safety measures and virtual machine setup to advanced search, data handling, and ethical practices for open-source investigations.
Osint Methodology3:00
Establish a repeatable osint methodology by defining objectives with clients. Interrogate your client, optimize workflow, and build context to produce clear reports.

Do We Need a VM ?3:36
VM Setup7:51
Set up a virtual OSINT lab by installing VirtualBox, obtaining the CSI Linux appliance, and configuring RAM and network for a functional VM.
M1/M2/M3 Macbook Installation13:40
VPNs2:55
Learn how virtual private networks encrypt your internet connection, hide your IP, and use dedicated IPs from NordVPN and ProtonVPN to protect OSINT privacy.
Browser Setup3:48
Handling Data In Investigation14:31
Section 2 Notes0:10

What Are They ?1:56
Learn how sock puppets are fake online identities used to influence opinions and spy on others, and explore privacy risks and advanced techniques to uncover malicious actors.
The Approach3:25
Setting Up Sock Puppets13:08
Learn how to create sock puppets for open-source intelligence by using tools to generate fake data, personas, profile pictures, and emails, with emphasis on consistency and customization.
Advanced Techniques & Psyops3:53
Explore advanced osint techniques and psyops, including creating sock puppets, identifying agitators, and using search operators to collect information, assess disinformation, and manage online narratives.
Section 4 Notes0:13

OSINT Tools List4:36
Searching Accounts5:13
Explore open-source intelligence by using username search tools to map a single username to multiple platforms, export results, and understand false positives for background checks.
Searching People Part 13:01
Learn how to use webmap to tailor person searches, interpret the web me score, and explore targets’ occupations, affiliations, news, and social profiles for OSINT.
Searching People Part 24:35
Voter Records1:46
Explore voter records as a public OSINT data source, filtering by first name, second name, last name, state to reveal age, address, party, and voter status, with ethical use reminders.
Searching Phone Numbers Part 14:48
Identify phone number ownership and provider using tools like free carrier lookup, Twilio, and Truecaller, while considering court orders and voip numbers such as Google Voice and Skype.
Searching Phone Numbers Part 22:52
Explore the second video on phone numbers, using a spy dialer to hear voicemail (data may be outdated), perform name and photo lookups, and assess search-engine variations.
Performing Background Checks6:32
perform background checks using public records, criminal and property records, parking tickets, and email lookups across multiple databases. learn practical osint tools and search operators to gather cross-verified information.
Section 6 Notes0:22

Searching Companies Part 14:14
Explore open-source intelligence methods to research companies worldwide, using search engines and tools like Infobel and 92.com to uncover registered addresses, officers, and incorporation details.
Searching Company Part 25:25
Explore open-source tools to search for companies, refine results by distance, and review complaints, using BBB, Judy Records, Datacom, and license plate searches.
Section 7 Notes0:09

Retrieving, Viewing & Handling EXIF Data5:00
Explore how exif data and image metadata reveal when and where a photo was taken, including device type, model, geolocation, and camera settings for open-source investigations.
Reverse Image Lookup8:02
Facial Recognition5:37
Explore how facial recognition tools in OSINT perform image search across the internet using face check ID and PimEyes, while navigating terms of use, privacy opt-outs, and photo quality tips.
Section 10 Notes0:09

Requirements

A device with an internet connection. Ideally a laptop and a smartphone with at least 40gb free on the hard drive.
A basic understanding of technology

Description

Master the art of Open Source Intelligence and unlock the secrets hidden across the internet. This course takes you from a beginner to an advanced OSINT practitioner with a straightforward, expert-guided approach.

You’ll learn how to safely and effectively gather intelligence from publicly available sources, utilizing the same techniques used by investigators, cybersecurity professionals, and journalists. This course covers all essential aspects of OSINT, from the ethical considerations of information gathering to advanced search techniques and beyond.

Explore a wide range of tools and techniques for uncovering information about individuals, companies, and even physical locations. You'll master the use of search engines, social media analysis, email tracing, and image verification, all while maintaining your anonymity and protecting your data.

Learn how to set up secure environments using virtual machines, VPNs, and specialized operating systems like CSI Linux. Delve into the world of sock puppets, creating and managing fake identities to gather intelligence undetected. You’ll also explore the dark web, understand the importance of encryption, and discover how to remove your own data from the internet.

By the end of this course, you’ll have a practical, hands-on skill set that will make you proficient in the art of OSINT. Whether you're aiming to enhance your career or satisfy your curiosity, this course is your gateway to mastering the world of online intelligence gathering.

Who this course is for:

Beginner to advanced OSINT investigators
Cyber and information security professionals
Journalists
Business intelligence

Learn OSINT: Open-Source Intelligence

What you'll learn

Explore related topics

Course content

Introduction3 lectures • 16min

Safety Measures7 lectures • 47min

Documenting1 lecture • 5min

Sock Puppets5 lectures • 23min

Search Engines4 lectures • 32min

Searching People9 lectures • 34min

Searching Businesses3 lectures • 10min

Resume Hunting1 lecture • 5min

Email Search5 lectures • 19min

Images4 lectures • 19min

Requirements

Description

Who this course is for: